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Linarite
Linarite

Pyromorphite
Pyromorphite



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Linarite
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Pyromorphite

Linarite and Pyromorphite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

5.356.5-7.1
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

Perfect on {100}, imperfect on {001}
Imperfect- [10 1 1]

Mohs Hardness

2.53.5-4
2 10
👆🏻

Chemical Composition

PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Linarite and Pyromorphite Chemical Formula

While comparing Linarite and Pyromorphite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Linarite and Pyromorphite chemical formula.

  • Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Linarite and Pyromorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.